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High-frequency AMDAR data - a European aircraft data collection trial and impact assessment.

Author

Erik Andersson

Carla Cardinali

B. Truscott

T. Hovberg

2005, Technical memorandum, ECMWF Technical Memoranda

File

7765-high-frequency-amdar-data-european-aircraft-data-collection-trial-and-impact-assessment.pdf

Will the 4D-Var approach be defeated by nonlinearity?

Author

Erik Andersson

Mike Fisher

E. Hólm

L. Isaksen

G. Radnóti

Y. Trémolet

2005, Technical memorandum, ECMWF Technical Memoranda

File

7768-will-4d-var-approach-be-defeated-nonlinearity.pdf

A multivariate treatment of bias for sequential data assimilation: application to the tropical oceans.

Author

Magdalena Alonso-Balmaseda

D.P. Dee

A. Vidard

D.L.T. Anderson

2005, Technical memorandum, ECMWF Technical Memoranda

File

7910-multivariate-treatment-bias-sequential-data-assimilation-application-tropical-oceans.pdf

A fast radiative transfer model for limb radiances: Accounting for horizontal gradients.

Author

Niels Bormann

Sean Healy

2005, Technical memorandum, ECMWF Technical Memoranda

File

8295-fast-radiative-transfer-model-limb-radiances-accounting-horizontal-gradients.pdf

Unstable perturbations computed using the adjoint technique

Author

Roberto Buizza

1992, Technical memorandum, ECMWF Technical Memoranda

File

8411-unstable-perturbations-computed-using-adjoint-technique.pdf

Towards an integrated seasonal forecasting system for South America.

Author

C. Coelho

D. Stephenson

Magdalena Alonso-Balmaseda

F. Doblas-Reyes

G.J. van Oldenborgh

2005, Technical memorandum, ECMWF Technical Memoranda

File

8744-towards-integrated-seasonal-forecasting-system-south-america.pdf

Passive microwave radiometer channel selection based on cloud and precipitation information content estimation.

Author

S. Di Michele

Peter Bauer

2005, Technical memorandum, ECMWF Technical Memoranda

File

9040-passive-microwave-radiometer-channel-selection-based-cloud-and-precipitation-information.pdf

Impact of increasing greenhouse gas concentrations in seasonal ensemble forecasts.

Author

F. Doblas-Reyes

Renate Hagedorn

T.N. Palmer

J.-J. Morcrette

2005, Technical memorandum, ECMWF Technical Memoranda

File

9084-impact-increasing-greenhouse-gas-concentrations-seasonal-ensemble-forecasts.pdf

A bias correction scheme for simulated TOVS brightness temperatures

Author

J. Eyre

1992, Technical memorandum, ECMWF Technical Memoranda

File

9330-bias-correction-scheme-simulated-tovs-brightness-temperatures.pdf

Assimilation of TOVS radiance information through one-dimensional variational analysis

Author

J. Eyre

G.A. Kelly

A. McNally

Erik Andersson

1992, Technical memorandum, ECMWF Technical Memoranda

File

9338-assimilation-tovs-radiance-information-through-one-dimensional-variational-analysis.pdf

Ensemble prediction

Author

T.N. Palmer

Franco Molteni

R. Mureau

Roberto Buizza

P. Chapelet

J. Tribbia

1992, Technical memorandum, ECMWF Technical Memoranda

File

11560-ensemble-prediction.pdf

A microwave radiative transfer model

Author

L. Phalippou

1992, Technical memorandum, ECMWF Technical Memoranda

File

11667-microwave-radiative-transfer-model.pdf

Report on the thirteenth Security Representatives' Meeting, 17-18 May 2005. (Restricted distribution)

Author

P. Prior

2005, Technical memorandum, ECMWF Technical Memoranda

Report on the seventeenth meeting of Computing Representatives, 19-20 May 2005.

Author

P. Prior

2005, Technical memorandum, ECMWF Technical Memoranda

File

11738-report-seventeenth-meeting-computing-representatives-19-20-may-2005.pdf

Diagnostics of linear and incremental approximations in 4D-Var revisited for higher resolution analysis

Author

G. Radnóti

Y. Trémolet

Erik Andersson

L. Isaksen

E. Hólm

Marta Janiskova

2005, Technical memorandum, ECMWF Technical Memoranda

File

11816-diagnostics-linear-and-incremental-approximations-4d-var-revisited-higher-resolution-analysis.pdf

The cloud clearing comparison exercise

Author

R. Rizzi

C. Serio

G.A. Kelly

V. Tramutoli

A. McNally

V. Cuomo

1992, Technical memorandum, ECMWF Technical Memoranda

File

11955-cloud-clearing-comparison-exercise.pdf

Performance of the ECMWF model in tropical cyclone track forecasting over the Western North Pacific during 1990-1991

Author

C.M. Shun

1992, Technical memorandum, ECMWF Technical Memoranda

File

12207-performance-ecmwf-model-tropical-cyclone-track-forecasting-over-western-north-pacific-during.pdf

Salinity assimilation using S(T) relationships: Part 1 - Theory.

Author

K. Haines

J. Blower

J-P. Drecourt

C. Liu

I. Astin

X. Zhou

A. Vidard

2005, Technical memorandum, ECMWF Technical Memoranda

File

9742-salinity-assimilation-using-st-relationships-part-1-theory.pdf

A method for implementing adjoint calculations in the discrete case

Author

R. Hoffman

J-F. Louis

T. Nehrkorn

1992, Technical memorandum, ECMWF Technical Memoranda

File

9906-method-implementing-adjoint-calculations-discrete-case.pdf

Progress in ocean wave forecasting at ECMWF.

Author

Peter Janssen

Jean-Raymond Bidlot

Saleh Abdalla

Hans Hersbach

2005, Technical memorandum, ECMWF Technical Memoranda

File

10187-progress-ocean-wave-forecasting-ecmwf.pdf

The shallow water limit of the Zakharov Equation and consequences for (freak) wave prediction.

Author

Peter Janssen

M. Onorato

2005, Technical memorandum, ECMWF Technical Memoranda

File

10230-shallow-water-limit-zakharov-equation-and-consequences-freak-wave-prediction.pdf

Sensitivity of the tropospheric circulation to changes in the strength of the stratospheric polar vortex.

Author

T. Jung

J. Barkmeijer

2005, Technical memorandum, ECMWF Technical Memoranda

File

10315-sensitivity-tropospheric-circulation-changes-strength-stratospheric-polar-vortex.pdf

Some aspects of systematic error in the ECMWF model.

Author

T. Jung

A.M. Tompkins

Mark Rodwell

2005, Technical memorandum, ECMWF Technical Memoranda

File

10316-some-aspects-systematic-error-ecmwf-model.pdf

Medium-range weather forecasting in the extratropics during wintertime with and without an interactive ocean.

Author

T. Jung

Frédéric Vitart

2005, Technical memorandum, ECMWF Technical Memoranda

File

10319-medium-range-weather-forecasting-extratropics-during-wintertime-and-without-interactive-ocean.pdf

Search ECMWF publications

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High-frequency AMDAR data - a European aircraft data collection trial and impact assessment.

Will the 4D-Var approach be defeated by nonlinearity?

A multivariate treatment of bias for sequential data assimilation: application to the tropical oceans.

A fast radiative transfer model for limb radiances: Accounting for horizontal gradients.

Unstable perturbations computed using the adjoint technique

Towards an integrated seasonal forecasting system for South America.

Passive microwave radiometer channel selection based on cloud and precipitation information content estimation.

Impact of increasing greenhouse gas concentrations in seasonal ensemble forecasts.

A bias correction scheme for simulated TOVS brightness temperatures

Assimilation of TOVS radiance information through one-dimensional variational analysis

Ensemble prediction

A microwave radiative transfer model

Report on the thirteenth Security Representatives' Meeting, 17-18 May 2005. (Restricted distribution)

Report on the seventeenth meeting of Computing Representatives, 19-20 May 2005.

Diagnostics of linear and incremental approximations in 4D-Var revisited for higher resolution analysis

The cloud clearing comparison exercise

Performance of the ECMWF model in tropical cyclone track forecasting over the Western North Pacific during 1990-1991

Salinity assimilation using S(T) relationships: Part 1 - Theory.

A method for implementing adjoint calculations in the discrete case

Progress in ocean wave forecasting at ECMWF.

The shallow water limit of the Zakharov Equation and consequences for (freak) wave prediction.

Sensitivity of the tropospheric circulation to changes in the strength of the stratospheric polar vortex.

Some aspects of systematic error in the ECMWF model.

Medium-range weather forecasting in the extratropics during wintertime with and without an interactive ocean.

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